Site Report – Mainline Demolition and the Broun Avenue bridge replacement
01 February 2023
In 2021, Tonkin Gap Alliance was awarded the contract to design and construct the Broun Avenue Bridge Replacement Project in Perth, Western Australia.
Scope of the works included partial construction of the new bridge and bus station to divert traffic from existing bridge, before demolition of the old structure.
Mainline chose a mechanical in situ demolition approach over lift and shift option after a comprehensive risk analysis and detailed discussions with the client. The principle heavy lift risks included design and installation of temporary support works, time allocation for cutting eight 1.2 x 1.4 m (4 ft x 4…
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